8703890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 18289152

約数和(自身を除く): 9585262

約数列:

[1, 2, 5, 10, 13, 23, 26, 41, 46, 65, 71, 82, 115, 130, 142, 205, 230, 299, 355, 410, 533, 598, 710, 923, 943, 1066, 1495, 1633, 1846, 1886, 2665, 2911, 2990, 3266, 4615, 4715, 5330, 5822, 8165, 9230, 9430, 12259, 14555, 16330, 21229, 24518, 29110, 37843, 42458, 61295, 66953, 75686, 106145, 122590, 133906, 189215, 212290, 334765, 378430, 669530, 870389, 1740778, 4351945, 8703890]

約数ペア:

[(1, 8703890), (2, 4351945), (5, 1740778), (10, 870389), (13, 669530), (23, 378430), (26, 334765), (41, 212290), (46, 189215), (65, 133906), (71, 122590), (82, 106145), (115, 75686), (130, 66953), (142, 61295), (205, 42458), (230, 37843), (299, 29110), (355, 24518), (410, 21229), (533, 16330), (598, 14555), (710, 12259), (923, 9430), (943, 9230), (1066, 8165), (1495, 5822), (1633, 5330), (1846, 4715), (1886, 4615), (2665, 3266), (2911, 2990)]