1781645056

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 3636586688

約数和(自身を除く): 1854941632

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 271, 421, 488, 542, 842, 976, 1084, 1684, 1952, 2168, 3368, 3904, 4336, 6736, 7808, 8672, 13472, 15616, 16531, 17344, 25681, 26944, 33062, 34688, 51362, 53888, 66124, 69376, 102724, 107776, 114091, 132248, 205448, 228182, 264496, 410896, 456364, 528992, 821792, 912728, 1057984, 1643584, 1825456, 2115968, 3287168, 3650912, 4231936, 6574336, 6959551, 7301824, 13919102, 14603648, 27838204, 29207296, 55676408, 111352816, 222705632, 445411264, 890822528, 1781645056]

約数ペア:

[(1, 1781645056), (2, 890822528), (4, 445411264), (8, 222705632), (16, 111352816), (32, 55676408), (61, 29207296), (64, 27838204), (122, 14603648), (128, 13919102), (244, 7301824), (256, 6959551), (271, 6574336), (421, 4231936), (488, 3650912), (542, 3287168), (842, 2115968), (976, 1825456), (1084, 1643584), (1684, 1057984), (1952, 912728), (2168, 821792), (3368, 528992), (3904, 456364), (4336, 410896), (6736, 264496), (7808, 228182), (8672, 205448), (13472, 132248), (15616, 114091), (16531, 107776), (17344, 102724), (25681, 69376), (26944, 66124), (33062, 53888), (34688, 51362)]