251277026

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 508951296

約数和(自身を除く): 257674270

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 313, 401, 626, 802, 1001, 2002, 2191, 2807, 3443, 4069, 4382, 4411, 5213, 5614, 6886, 8138, 8822, 10426, 24101, 28483, 30877, 36491, 44759, 48202, 56966, 57343, 61754, 72982, 89518, 114686, 125513, 251026, 313313, 401401, 626626, 802802, 878591, 1380643, 1631669, 1757182, 2761286, 3263338, 9664501, 11421683, 17948359, 19329002, 22843366, 35896718, 125638513, 251277026]

約数ペア:

[(1, 251277026), (2, 125638513), (7, 35896718), (11, 22843366), (13, 19329002), (14, 17948359), (22, 11421683), (26, 9664501), (77, 3263338), (91, 2761286), (143, 1757182), (154, 1631669), (182, 1380643), (286, 878591), (313, 802802), (401, 626626), (626, 401401), (802, 313313), (1001, 251026), (2002, 125513), (2191, 114686), (2807, 89518), (3443, 72982), (4069, 61754), (4382, 57343), (4411, 56966), (5213, 48202), (5614, 44759), (6886, 36491), (8138, 30877), (8822, 28483), (10426, 24101)]