28881710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1$

素因数の和:1113

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 35469010

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1045, 1063, 1235, 1430, 2090, 2126, 2470, 2717, 5315, 5434, 10630, 11693, 13585, 13819, 20197, 23386, 27170, 27638, 40394, 58465, 69095, 100985, 116930, 138190, 152009, 201970, 222167, 262561, 304018, 444334, 525122, 760045, 1110835, 1312805, 1520090, 2221670, 2625610, 2888171, 5776342, 14440855, 28881710]

約数ペア:

[(1, 28881710), (2, 14440855), (5, 5776342), (10, 2888171), (11, 2625610), (13, 2221670), (19, 1520090), (22, 1312805), (26, 1110835), (38, 760045), (55, 525122), (65, 444334), (95, 304018), (110, 262561), (130, 222167), (143, 201970), (190, 152009), (209, 138190), (247, 116930), (286, 100985), (418, 69095), (494, 58465), (715, 40394), (1045, 27638), (1063, 27170), (1235, 23386), (1430, 20197), (2090, 13819), (2126, 13585), (2470, 11693), (2717, 10630), (5315, 5434)]