81819816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1373}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 221598720

約数和(自身を除く): 139778904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 191, 312, 382, 573, 764, 1146, 1373, 1528, 2292, 2483, 2746, 4119, 4584, 4966, 5492, 7449, 8238, 9932, 10984, 14898, 16476, 17849, 19864, 29796, 32952, 35698, 53547, 59592, 71396, 107094, 142792, 214188, 262243, 428376, 524486, 786729, 1048972, 1573458, 2097944, 3146916, 3409159, 6293832, 6818318, 10227477, 13636636, 20454954, 27273272, 40909908, 81819816]

約数ペア:

[(1, 81819816), (2, 40909908), (3, 27273272), (4, 20454954), (6, 13636636), (8, 10227477), (12, 6818318), (13, 6293832), (24, 3409159), (26, 3146916), (39, 2097944), (52, 1573458), (78, 1048972), (104, 786729), (156, 524486), (191, 428376), (312, 262243), (382, 214188), (573, 142792), (764, 107094), (1146, 71396), (1373, 59592), (1528, 53547), (2292, 35698), (2483, 32952), (2746, 29796), (4119, 19864), (4584, 17849), (4966, 16476), (5492, 14898), (7449, 10984), (8238, 9932)]