1981893490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{46447}}^1$

素因数の和:46722

約数の個数: 32

約数和(自身を含む): 3792386304

約数和(自身を除く): 1810492814

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 502, 1255, 2510, 4267, 8534, 21335, 42670, 46447, 92894, 232235, 464470, 789599, 1579198, 3947995, 7895990, 11658197, 23316394, 58290985, 116581970, 198189349, 396378698, 990946745, 1981893490]

約数ペア:

[(1, 1981893490), (2, 990946745), (5, 396378698), (10, 198189349), (17, 116581970), (34, 58290985), (85, 23316394), (170, 11658197), (251, 7895990), (502, 3947995), (1255, 1579198), (2510, 789599), (4267, 464470), (8534, 232235), (21335, 92894), (42670, 46447)]