321569144

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{823}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 694397160

約数和(自身を除く): 372828016

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 289, 338, 442, 578, 676, 823, 884, 1156, 1352, 1646, 1768, 2312, 2873, 3292, 3757, 5746, 6584, 7514, 10699, 11492, 13991, 15028, 21398, 22984, 27982, 30056, 42796, 48841, 55964, 85592, 97682, 111928, 139087, 181883, 195364, 237847, 278174, 363766, 390728, 475694, 556348, 727532, 951388, 1112696, 1455064, 1902776, 2364479, 3092011, 4728958, 6184022, 9457916, 12368044, 18915832, 24736088, 40196143, 80392286, 160784572, 321569144]

約数ペア:

[(1, 321569144), (2, 160784572), (4, 80392286), (8, 40196143), (13, 24736088), (17, 18915832), (26, 12368044), (34, 9457916), (52, 6184022), (68, 4728958), (104, 3092011), (136, 2364479), (169, 1902776), (221, 1455064), (289, 1112696), (338, 951388), (442, 727532), (578, 556348), (676, 475694), (823, 390728), (884, 363766), (1156, 278174), (1352, 237847), (1646, 195364), (1768, 181883), (2312, 139087), (2873, 111928), (3292, 97682), (3757, 85592), (5746, 55964), (6584, 48841), (7514, 42796), (10699, 30056), (11492, 27982), (13991, 22984), (15028, 21398)]