81689984

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 171666000

約数和(自身を除く): 89976016

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 59, 64, 116, 118, 128, 232, 236, 373, 464, 472, 746, 928, 944, 1492, 1711, 1856, 1888, 2984, 3422, 3712, 3776, 5968, 6844, 7552, 10817, 11936, 13688, 21634, 22007, 23872, 27376, 43268, 44014, 47744, 54752, 86536, 88028, 109504, 173072, 176056, 219008, 346144, 352112, 638203, 692288, 704224, 1276406, 1384576, 1408448, 2552812, 2816896, 5105624, 10211248, 20422496, 40844992, 81689984]

約数ペア:

[(1, 81689984), (2, 40844992), (4, 20422496), (8, 10211248), (16, 5105624), (29, 2816896), (32, 2552812), (58, 1408448), (59, 1384576), (64, 1276406), (116, 704224), (118, 692288), (128, 638203), (232, 352112), (236, 346144), (373, 219008), (464, 176056), (472, 173072), (746, 109504), (928, 88028), (944, 86536), (1492, 54752), (1711, 47744), (1856, 44014), (1888, 43268), (2984, 27376), (3422, 23872), (3712, 22007), (3776, 21634), (5968, 13688), (6844, 11936), (7552, 10817)]