689495044

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 1477824320

約数和(自身を除く): 788329276

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 139, 238, 278, 289, 476, 556, 578, 613, 973, 1156, 1226, 1946, 2023, 2363, 2452, 3892, 4046, 4291, 4726, 8092, 8582, 9452, 10421, 16541, 17164, 20842, 33082, 40171, 41684, 66164, 72947, 80342, 85207, 145894, 160684, 170414, 177157, 281197, 291788, 340828, 354314, 562394, 596449, 708628, 1124788, 1192898, 1240099, 1448519, 2385796, 2480198, 2897038, 4960396, 5794076, 10139633, 20279266, 24624823, 40558532, 49249646, 98499292, 172373761, 344747522, 689495044]

約数ペア:

[(1, 689495044), (2, 344747522), (4, 172373761), (7, 98499292), (14, 49249646), (17, 40558532), (28, 24624823), (34, 20279266), (68, 10139633), (119, 5794076), (139, 4960396), (238, 2897038), (278, 2480198), (289, 2385796), (476, 1448519), (556, 1240099), (578, 1192898), (613, 1124788), (973, 708628), (1156, 596449), (1226, 562394), (1946, 354314), (2023, 340828), (2363, 291788), (2452, 281197), (3892, 177157), (4046, 170414), (4291, 160684), (4726, 145894), (8092, 85207), (8582, 80342), (9452, 72947), (10421, 66164), (16541, 41684), (17164, 40171), (20842, 33082)]