216223518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:841

約数の個数: 64

約数和(自身を含む): 506373120

約数和(自身を除く): 290149602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 109, 146, 218, 219, 327, 438, 511, 647, 654, 763, 1022, 1294, 1526, 1533, 1941, 2289, 3066, 3882, 4529, 4578, 7957, 9058, 13587, 15914, 23871, 27174, 47231, 47742, 55699, 70523, 94462, 111398, 141046, 141693, 167097, 211569, 283386, 330617, 334194, 423138, 493661, 661234, 987322, 991851, 1480983, 1983702, 2961966, 5148179, 10296358, 15444537, 30889074, 36037253, 72074506, 108111759, 216223518]

約数ペア:

[(1, 216223518), (2, 108111759), (3, 72074506), (6, 36037253), (7, 30889074), (14, 15444537), (21, 10296358), (42, 5148179), (73, 2961966), (109, 1983702), (146, 1480983), (218, 991851), (219, 987322), (327, 661234), (438, 493661), (511, 423138), (647, 334194), (654, 330617), (763, 283386), (1022, 211569), (1294, 167097), (1526, 141693), (1533, 141046), (1941, 111398), (2289, 94462), (3066, 70523), (3882, 55699), (4529, 47742), (4578, 47231), (7957, 27174), (9058, 23871), (13587, 15914)]