22557028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 48137600

約数和(自身を除く): 25580572

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 79, 158, 221, 247, 289, 316, 323, 442, 494, 578, 646, 884, 988, 1027, 1156, 1292, 1343, 1501, 2054, 2686, 3002, 3757, 4108, 4199, 5372, 5491, 6004, 7514, 8398, 10982, 15028, 16796, 17459, 19513, 21964, 22831, 25517, 34918, 39026, 45662, 51034, 69836, 71383, 78052, 91324, 102068, 142766, 285532, 296803, 331721, 433789, 593606, 663442, 867578, 1187212, 1326884, 1735156, 5639257, 11278514, 22557028]

約数ペア:

[(1, 22557028), (2, 11278514), (4, 5639257), (13, 1735156), (17, 1326884), (19, 1187212), (26, 867578), (34, 663442), (38, 593606), (52, 433789), (68, 331721), (76, 296803), (79, 285532), (158, 142766), (221, 102068), (247, 91324), (289, 78052), (316, 71383), (323, 69836), (442, 51034), (494, 45662), (578, 39026), (646, 34918), (884, 25517), (988, 22831), (1027, 21964), (1156, 19513), (1292, 17459), (1343, 16796), (1501, 15028), (2054, 10982), (2686, 8398), (3002, 7514), (3757, 6004), (4108, 5491), (4199, 5372)]