388456908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 1104380928

約数和(自身を除く): 715924020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 101, 124, 147, 186, 196, 202, 211, 217, 294, 303, 372, 404, 422, 434, 588, 606, 633, 651, 707, 844, 868, 1212, 1266, 1302, 1414, 1477, 1519, 2121, 2532, 2604, 2828, 2954, 3038, 3131, 4242, 4431, 4557, 4949, 5908, 6076, 6262, 6541, 8484, 8862, 9114, 9393, 9898, 10339, 12524, 13082, 14847, 17724, 18228, 18786, 19623, 19796, 20678, 21311, 21917, 26164, 29694, 31017, 37572, 39246, 41356, 42622, 43834, 45787, 59388, 62034, 63933, 65751, 78492, 85244, 87668, 91574, 124068, 127866, 131502, 137361, 149177, 153419, 183148, 255732, 263004, 274722, 298354, 306838, 320509, 447531, 460257, 549444, 596708, 613676, 641018, 660641, 895062, 920514, 961527, 1044239, 1282036, 1321282, 1790124, 1841028, 1923054, 1981923, 2088478, 2642564, 3132717, 3846108, 3963846, 4176956, 4624487, 6265434, 7927692, 9248974, 12530868, 13873461, 18497948, 27746922, 32371409, 55493844, 64742818, 97114227, 129485636, 194228454, 388456908]

約数ペア:

[(1, 388456908), (2, 194228454), (3, 129485636), (4, 97114227), (6, 64742818), (7, 55493844), (12, 32371409), (14, 27746922), (21, 18497948), (28, 13873461), (31, 12530868), (42, 9248974), (49, 7927692), (62, 6265434), (84, 4624487), (93, 4176956), (98, 3963846), (101, 3846108), (124, 3132717), (147, 2642564), (186, 2088478), (196, 1981923), (202, 1923054), (211, 1841028), (217, 1790124), (294, 1321282), (303, 1282036), (372, 1044239), (404, 961527), (422, 920514), (434, 895062), (588, 660641), (606, 641018), (633, 613676), (651, 596708), (707, 549444), (844, 460257), (868, 447531), (1212, 320509), (1266, 306838), (1302, 298354), (1414, 274722), (1477, 263004), (1519, 255732), (2121, 183148), (2532, 153419), (2604, 149177), (2828, 137361), (2954, 131502), (3038, 127866), (3131, 124068), (4242, 91574), (4431, 87668), (4557, 85244), (4949, 78492), (5908, 65751), (6076, 63933), (6262, 62034), (6541, 59388), (8484, 45787), (8862, 43834), (9114, 42622), (9393, 41356), (9898, 39246), (10339, 37572), (12524, 31017), (13082, 29694), (14847, 26164), (17724, 21917), (18228, 21311), (18786, 20678), (19623, 19796)]