237989128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 491803200

約数和(自身を除く): 253814072

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 139, 163, 202, 278, 326, 404, 556, 652, 808, 1112, 1304, 1313, 1807, 2119, 2626, 3614, 4238, 5252, 7228, 8476, 10504, 14039, 14456, 16463, 16952, 22657, 28078, 32926, 45314, 56156, 65852, 90628, 112312, 131704, 181256, 182507, 214019, 294541, 365014, 428038, 589082, 730028, 856076, 1178164, 1460056, 1712152, 2288357, 2356328, 4576714, 9153428, 18306856, 29748641, 59497282, 118994564, 237989128]

約数ペア:

[(1, 237989128), (2, 118994564), (4, 59497282), (8, 29748641), (13, 18306856), (26, 9153428), (52, 4576714), (101, 2356328), (104, 2288357), (139, 1712152), (163, 1460056), (202, 1178164), (278, 856076), (326, 730028), (404, 589082), (556, 428038), (652, 365014), (808, 294541), (1112, 214019), (1304, 182507), (1313, 181256), (1807, 131704), (2119, 112312), (2626, 90628), (3614, 65852), (4238, 56156), (5252, 45314), (7228, 32926), (8476, 28078), (10504, 22657), (14039, 16952), (14456, 16463)]