28488690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10211}}^1$

素因数の和:10255

約数の個数: 48

約数和(自身を含む): 76467456

約数和(自身を除く): 47978766

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 10211, 20422, 30633, 51055, 61266, 91899, 102110, 153165, 183798, 306330, 316541, 459495, 633082, 918990, 949623, 1582705, 1899246, 2848869, 3165410, 4748115, 5697738, 9496230, 14244345, 28488690]

約数ペア:

[(1, 28488690), (2, 14244345), (3, 9496230), (5, 5697738), (6, 4748115), (9, 3165410), (10, 2848869), (15, 1899246), (18, 1582705), (30, 949623), (31, 918990), (45, 633082), (62, 459495), (90, 316541), (93, 306330), (155, 183798), (186, 153165), (279, 102110), (310, 91899), (465, 61266), (558, 51055), (930, 30633), (1395, 20422), (2790, 10211)]