31894390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 64676304

約数和(自身を除く): 32781914

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 242, 430, 473, 605, 613, 946, 1210, 1226, 2365, 3065, 4730, 5203, 6130, 6743, 10406, 13486, 26015, 26359, 33715, 52030, 52718, 67430, 74173, 131795, 148346, 263590, 289949, 370865, 579898, 741730, 1449745, 2899490, 3189439, 6378878, 15947195, 31894390]

約数ペア:

[(1, 31894390), (2, 15947195), (5, 6378878), (10, 3189439), (11, 2899490), (22, 1449745), (43, 741730), (55, 579898), (86, 370865), (110, 289949), (121, 263590), (215, 148346), (242, 131795), (430, 74173), (473, 67430), (605, 52718), (613, 52030), (946, 33715), (1210, 26359), (1226, 26015), (2365, 13486), (3065, 10406), (4730, 6743), (5203, 6130)]