68945652

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 180590592

約数和(自身を除く): 111644940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 191, 222, 271, 333, 382, 444, 542, 573, 666, 764, 813, 1084, 1146, 1332, 1626, 1719, 2292, 2439, 3252, 3438, 4878, 6876, 7067, 9756, 10027, 14134, 20054, 21201, 28268, 30081, 40108, 42402, 51761, 60162, 63603, 84804, 90243, 103522, 120324, 127206, 155283, 180486, 207044, 254412, 310566, 360972, 465849, 621132, 931698, 1863396, 1915157, 3830314, 5745471, 7660628, 11490942, 17236413, 22981884, 34472826, 68945652]

約数ペア:

[(1, 68945652), (2, 34472826), (3, 22981884), (4, 17236413), (6, 11490942), (9, 7660628), (12, 5745471), (18, 3830314), (36, 1915157), (37, 1863396), (74, 931698), (111, 621132), (148, 465849), (191, 360972), (222, 310566), (271, 254412), (333, 207044), (382, 180486), (444, 155283), (542, 127206), (573, 120324), (666, 103522), (764, 90243), (813, 84804), (1084, 63603), (1146, 60162), (1332, 51761), (1626, 42402), (1719, 40108), (2292, 30081), (2439, 28268), (3252, 21201), (3438, 20054), (4878, 14134), (6876, 10027), (7067, 9756)]