161443492

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 349066368

約数和(自身を除く): 187622876

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 71, 119, 142, 238, 281, 284, 289, 476, 497, 562, 578, 994, 1124, 1156, 1207, 1967, 1988, 2023, 2414, 3934, 4046, 4777, 4828, 7868, 8092, 8449, 9554, 16898, 19108, 19951, 20519, 33439, 33796, 39902, 41038, 66878, 79804, 81209, 82076, 133756, 139657, 143633, 162418, 279314, 287266, 324836, 339167, 558628, 568463, 574532, 678334, 1136926, 1356668, 2273852, 2374169, 4748338, 5765839, 9496676, 11531678, 23063356, 40360873, 80721746, 161443492]

約数ペア:

[(1, 161443492), (2, 80721746), (4, 40360873), (7, 23063356), (14, 11531678), (17, 9496676), (28, 5765839), (34, 4748338), (68, 2374169), (71, 2273852), (119, 1356668), (142, 1136926), (238, 678334), (281, 574532), (284, 568463), (289, 558628), (476, 339167), (497, 324836), (562, 287266), (578, 279314), (994, 162418), (1124, 143633), (1156, 139657), (1207, 133756), (1967, 82076), (1988, 81209), (2023, 79804), (2414, 66878), (3934, 41038), (4046, 39902), (4777, 33796), (4828, 33439), (7868, 20519), (8092, 19951), (8449, 19108), (9554, 16898)]