661826784

素因数分解:

$2^5\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1264

約数の個数: 96

約数和(自身を含む): 1783192320

約数和(自身を除く): 1121365536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 71, 89, 96, 142, 178, 213, 267, 284, 356, 426, 534, 568, 712, 852, 1068, 1091, 1136, 1424, 1704, 2136, 2182, 2272, 2848, 3273, 3408, 4272, 4364, 6319, 6546, 6816, 8544, 8728, 12638, 13092, 17456, 18957, 25276, 26184, 34912, 37914, 50552, 52368, 75828, 77461, 97099, 101104, 104736, 151656, 154922, 194198, 202208, 232383, 291297, 303312, 309844, 388396, 464766, 582594, 606624, 619688, 776792, 929532, 1165188, 1239376, 1553584, 1859064, 2330376, 2478752, 3107168, 3718128, 4660752, 6894029, 7436256, 9321504, 13788058, 20682087, 27576116, 41364174, 55152232, 82728348, 110304464, 165456696, 220608928, 330913392, 661826784]

約数ペア:

[(1, 661826784), (2, 330913392), (3, 220608928), (4, 165456696), (6, 110304464), (8, 82728348), (12, 55152232), (16, 41364174), (24, 27576116), (32, 20682087), (48, 13788058), (71, 9321504), (89, 7436256), (96, 6894029), (142, 4660752), (178, 3718128), (213, 3107168), (267, 2478752), (284, 2330376), (356, 1859064), (426, 1553584), (534, 1239376), (568, 1165188), (712, 929532), (852, 776792), (1068, 619688), (1091, 606624), (1136, 582594), (1424, 464766), (1704, 388396), (2136, 309844), (2182, 303312), (2272, 291297), (2848, 232383), (3273, 202208), (3408, 194198), (4272, 154922), (4364, 151656), (6319, 104736), (6546, 101104), (6816, 97099), (8544, 77461), (8728, 75828), (12638, 52368), (13092, 50552), (17456, 37914), (18957, 34912), (25276, 26184)]