245815908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2287}}^1$

素因数の和:2373

約数の個数: 72

約数和(自身を含む): 633080448

約数和(自身を除く): 387264540

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 169, 212, 318, 338, 507, 636, 676, 689, 1014, 1378, 2028, 2067, 2287, 2756, 4134, 4574, 6861, 8268, 8957, 9148, 13722, 17914, 26871, 27444, 29731, 35828, 53742, 59462, 89193, 107484, 118924, 121211, 178386, 242422, 356772, 363633, 386503, 484844, 727266, 773006, 1159509, 1454532, 1546012, 1575743, 2319018, 3151486, 4638036, 4727229, 6302972, 9454458, 18908916, 20484659, 40969318, 61453977, 81938636, 122907954, 245815908]

約数ペア:

[(1, 245815908), (2, 122907954), (3, 81938636), (4, 61453977), (6, 40969318), (12, 20484659), (13, 18908916), (26, 9454458), (39, 6302972), (52, 4727229), (53, 4638036), (78, 3151486), (106, 2319018), (156, 1575743), (159, 1546012), (169, 1454532), (212, 1159509), (318, 773006), (338, 727266), (507, 484844), (636, 386503), (676, 363633), (689, 356772), (1014, 242422), (1378, 178386), (2028, 121211), (2067, 118924), (2287, 107484), (2756, 89193), (4134, 59462), (4574, 53742), (6861, 35828), (8268, 29731), (8957, 27444), (9148, 26871), (13722, 17914)]