131875238

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 252806400

約数和(自身を除く): 120931162

約数列:

[1, 2, 11, 19, 22, 23, 29, 38, 43, 46, 58, 86, 121, 209, 242, 253, 319, 418, 437, 473, 506, 551, 638, 667, 817, 874, 946, 989, 1102, 1247, 1334, 1634, 1978, 2299, 2494, 2783, 3509, 4598, 4807, 5203, 5566, 6061, 7018, 7337, 8987, 9614, 10406, 10879, 12122, 12673, 13717, 14674, 17974, 18791, 21758, 23693, 25346, 27434, 28681, 37582, 47386, 52877, 57362, 66671, 80707, 98857, 105754, 119669, 133342, 139403, 150887, 161414, 197714, 206701, 239338, 260623, 278806, 301774, 315491, 413402, 521246, 544939, 630982, 1089878, 1533433, 2273711, 2866853, 3066866, 3470401, 4547422, 5733706, 5994329, 6940802, 11988658, 65937619, 131875238]

約数ペア:

[(1, 131875238), (2, 65937619), (11, 11988658), (19, 6940802), (22, 5994329), (23, 5733706), (29, 4547422), (38, 3470401), (43, 3066866), (46, 2866853), (58, 2273711), (86, 1533433), (121, 1089878), (209, 630982), (242, 544939), (253, 521246), (319, 413402), (418, 315491), (437, 301774), (473, 278806), (506, 260623), (551, 239338), (638, 206701), (667, 197714), (817, 161414), (874, 150887), (946, 139403), (989, 133342), (1102, 119669), (1247, 105754), (1334, 98857), (1634, 80707), (1978, 66671), (2299, 57362), (2494, 52877), (2783, 47386), (3509, 37582), (4598, 28681), (4807, 27434), (5203, 25346), (5566, 23693), (6061, 21758), (7018, 18791), (7337, 17974), (8987, 14674), (9614, 13717), (10406, 12673), (10879, 12122)]