28976090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:935

約数の個数: 64

約数和(自身を含む): 64012032

約数和(自身を除く): 35035942

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 110, 115, 130, 143, 230, 253, 286, 299, 506, 598, 715, 881, 1265, 1430, 1495, 1762, 2530, 2990, 3289, 4405, 6578, 8810, 9691, 11453, 16445, 19382, 20263, 22906, 32890, 40526, 48455, 57265, 96910, 101315, 114530, 125983, 202630, 222893, 251966, 263419, 445786, 526838, 629915, 1114465, 1259830, 1317095, 2228930, 2634190, 2897609, 5795218, 14488045, 28976090]

約数ペア:

[(1, 28976090), (2, 14488045), (5, 5795218), (10, 2897609), (11, 2634190), (13, 2228930), (22, 1317095), (23, 1259830), (26, 1114465), (46, 629915), (55, 526838), (65, 445786), (110, 263419), (115, 251966), (130, 222893), (143, 202630), (230, 125983), (253, 114530), (286, 101315), (299, 96910), (506, 57265), (598, 48455), (715, 40526), (881, 32890), (1265, 22906), (1430, 20263), (1495, 19382), (1762, 16445), (2530, 11453), (2990, 9691), (3289, 8810), (4405, 6578)]