81909912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 250675200

約数和(自身を除く): 168765288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 67, 76, 84, 114, 133, 134, 152, 168, 201, 228, 266, 268, 383, 399, 402, 456, 469, 532, 536, 766, 798, 804, 938, 1064, 1149, 1273, 1407, 1532, 1596, 1608, 1876, 2298, 2546, 2681, 2814, 3064, 3192, 3752, 3819, 4596, 5092, 5362, 5628, 7277, 7638, 8043, 8911, 9192, 10184, 10724, 11256, 14554, 15276, 16086, 17822, 21448, 21831, 25661, 26733, 29108, 30552, 32172, 35644, 43662, 50939, 51322, 53466, 58216, 64344, 71288, 76983, 87324, 101878, 102644, 106932, 152817, 153966, 174648, 179627, 203756, 205288, 213864, 305634, 307932, 359254, 407512, 487559, 538881, 611268, 615864, 718508, 975118, 1077762, 1222536, 1437016, 1462677, 1950236, 2155524, 2925354, 3412913, 3900472, 4311048, 5850708, 6825826, 10238739, 11701416, 13651652, 20477478, 27303304, 40954956, 81909912]

約数ペア:

[(1, 81909912), (2, 40954956), (3, 27303304), (4, 20477478), (6, 13651652), (7, 11701416), (8, 10238739), (12, 6825826), (14, 5850708), (19, 4311048), (21, 3900472), (24, 3412913), (28, 2925354), (38, 2155524), (42, 1950236), (56, 1462677), (57, 1437016), (67, 1222536), (76, 1077762), (84, 975118), (114, 718508), (133, 615864), (134, 611268), (152, 538881), (168, 487559), (201, 407512), (228, 359254), (266, 307932), (268, 305634), (383, 213864), (399, 205288), (402, 203756), (456, 179627), (469, 174648), (532, 153966), (536, 152817), (766, 106932), (798, 102644), (804, 101878), (938, 87324), (1064, 76983), (1149, 71288), (1273, 64344), (1407, 58216), (1532, 53466), (1596, 51322), (1608, 50939), (1876, 43662), (2298, 35644), (2546, 32172), (2681, 30552), (2814, 29108), (3064, 26733), (3192, 25661), (3752, 21831), (3819, 21448), (4596, 17822), (5092, 16086), (5362, 15276), (5628, 14554), (7277, 11256), (7638, 10724), (8043, 10184), (8911, 9192)]