28490436

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3581}}^1$

素因数の和:3621

約数の個数: 72

約数和(自身を含む): 82142424

約数和(自身を除く): 53651988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3581, 3978, 7162, 7956, 10743, 14324, 21486, 32229, 42972, 46553, 60877, 64458, 93106, 121754, 128916, 139659, 182631, 186212, 243508, 279318, 365262, 418977, 547893, 558636, 730524, 791401, 837954, 1095786, 1582802, 1675908, 2191572, 2374203, 3165604, 4748406, 7122609, 9496812, 14245218, 28490436]

約数ペア:

[(1, 28490436), (2, 14245218), (3, 9496812), (4, 7122609), (6, 4748406), (9, 3165604), (12, 2374203), (13, 2191572), (17, 1675908), (18, 1582802), (26, 1095786), (34, 837954), (36, 791401), (39, 730524), (51, 558636), (52, 547893), (68, 418977), (78, 365262), (102, 279318), (117, 243508), (153, 186212), (156, 182631), (204, 139659), (221, 128916), (234, 121754), (306, 93106), (442, 64458), (468, 60877), (612, 46553), (663, 42972), (884, 32229), (1326, 21486), (1989, 14324), (2652, 10743), (3581, 7956), (3978, 7162)]