221998812

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 655764480

約数和(自身を除く): 433765668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 49, 57, 62, 76, 84, 93, 98, 114, 124, 133, 147, 186, 196, 217, 228, 266, 294, 372, 399, 434, 532, 588, 589, 641, 651, 798, 868, 931, 1178, 1282, 1302, 1519, 1596, 1767, 1862, 1923, 2356, 2564, 2604, 2793, 3038, 3534, 3724, 3846, 4123, 4487, 4557, 5586, 6076, 7068, 7692, 8246, 8974, 9114, 11172, 12179, 12369, 13461, 16492, 17948, 18228, 19871, 24358, 24738, 26922, 28861, 31409, 36537, 39742, 48716, 49476, 53844, 57722, 59613, 62818, 73074, 79484, 85253, 86583, 94227, 115444, 119226, 125636, 139097, 146148, 170506, 173166, 188454, 238452, 255759, 278194, 341012, 346332, 376908, 377549, 417291, 511518, 556388, 596771, 755098, 834582, 973679, 1023036, 1132647, 1193542, 1510196, 1669164, 1790313, 1947358, 2265294, 2387084, 2642843, 2921037, 3580626, 3894716, 4530588, 5285686, 5842074, 7161252, 7928529, 10571372, 11684148, 15857058, 18499901, 31714116, 36999802, 55499703, 73999604, 110999406, 221998812]

約数ペア:

[(1, 221998812), (2, 110999406), (3, 73999604), (4, 55499703), (6, 36999802), (7, 31714116), (12, 18499901), (14, 15857058), (19, 11684148), (21, 10571372), (28, 7928529), (31, 7161252), (38, 5842074), (42, 5285686), (49, 4530588), (57, 3894716), (62, 3580626), (76, 2921037), (84, 2642843), (93, 2387084), (98, 2265294), (114, 1947358), (124, 1790313), (133, 1669164), (147, 1510196), (186, 1193542), (196, 1132647), (217, 1023036), (228, 973679), (266, 834582), (294, 755098), (372, 596771), (399, 556388), (434, 511518), (532, 417291), (588, 377549), (589, 376908), (641, 346332), (651, 341012), (798, 278194), (868, 255759), (931, 238452), (1178, 188454), (1282, 173166), (1302, 170506), (1519, 146148), (1596, 139097), (1767, 125636), (1862, 119226), (1923, 115444), (2356, 94227), (2564, 86583), (2604, 85253), (2793, 79484), (3038, 73074), (3534, 62818), (3724, 59613), (3846, 57722), (4123, 53844), (4487, 49476), (4557, 48716), (5586, 39742), (6076, 36537), (7068, 31409), (7692, 28861), (8246, 26922), (8974, 24738), (9114, 24358), (11172, 19871), (12179, 18228), (12369, 17948), (13461, 16492)]