31959830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 70543872

約数和(自身を除く): 38584042

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 107, 119, 170, 214, 238, 251, 502, 535, 595, 749, 1070, 1190, 1255, 1498, 1757, 1819, 2510, 3514, 3638, 3745, 4267, 7490, 8534, 8785, 9095, 12733, 17570, 18190, 21335, 25466, 26857, 29869, 42670, 53714, 59738, 63665, 127330, 134285, 149345, 187999, 268570, 298690, 375998, 456569, 913138, 939995, 1879990, 2282845, 3195983, 4565690, 6391966, 15979915, 31959830]

約数ペア:

[(1, 31959830), (2, 15979915), (5, 6391966), (7, 4565690), (10, 3195983), (14, 2282845), (17, 1879990), (34, 939995), (35, 913138), (70, 456569), (85, 375998), (107, 298690), (119, 268570), (170, 187999), (214, 149345), (238, 134285), (251, 127330), (502, 63665), (535, 59738), (595, 53714), (749, 42670), (1070, 29869), (1190, 26857), (1255, 25466), (1498, 21335), (1757, 18190), (1819, 17570), (2510, 12733), (3514, 9095), (3638, 8785), (3745, 8534), (4267, 7490)]