28271490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 74172672

約数和(自身を除く): 45901182

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 923, 1021, 1065, 1846, 2042, 2130, 2769, 3063, 4615, 5105, 5538, 6126, 9230, 10210, 13273, 13845, 15315, 26546, 27690, 30630, 39819, 66365, 72491, 79638, 132730, 144982, 199095, 217473, 362455, 398190, 434946, 724910, 942383, 1087365, 1884766, 2174730, 2827149, 4711915, 5654298, 9423830, 14135745, 28271490]

約数ペア:

[(1, 28271490), (2, 14135745), (3, 9423830), (5, 5654298), (6, 4711915), (10, 2827149), (13, 2174730), (15, 1884766), (26, 1087365), (30, 942383), (39, 724910), (65, 434946), (71, 398190), (78, 362455), (130, 217473), (142, 199095), (195, 144982), (213, 132730), (355, 79638), (390, 72491), (426, 66365), (710, 39819), (923, 30630), (1021, 27690), (1065, 26546), (1846, 15315), (2042, 13845), (2130, 13273), (2769, 10210), (3063, 9230), (4615, 6126), (5105, 5538)]