66714890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 139501440

約数和(自身を除く): 72786550

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 137, 190, 209, 233, 274, 418, 466, 685, 1045, 1165, 1370, 1507, 2090, 2330, 2563, 2603, 3014, 4427, 5126, 5206, 7535, 8854, 12815, 13015, 15070, 22135, 25630, 26030, 28633, 31921, 44270, 48697, 57266, 63842, 97394, 143165, 159605, 243485, 286330, 319210, 351131, 486970, 606499, 702262, 1212998, 1755655, 3032495, 3511310, 6064990, 6671489, 13342978, 33357445, 66714890]

約数ペア:

[(1, 66714890), (2, 33357445), (5, 13342978), (10, 6671489), (11, 6064990), (19, 3511310), (22, 3032495), (38, 1755655), (55, 1212998), (95, 702262), (110, 606499), (137, 486970), (190, 351131), (209, 319210), (233, 286330), (274, 243485), (418, 159605), (466, 143165), (685, 97394), (1045, 63842), (1165, 57266), (1370, 48697), (1507, 44270), (2090, 31921), (2330, 28633), (2563, 26030), (2603, 25630), (3014, 22135), (4427, 15070), (5126, 13015), (5206, 12815), (7535, 8854)]