258929136

素因数分解:

$2^4\times 3^6\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 140

約数和(自身を含む): 764400480

約数和(自身を除く): 505471344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 79, 81, 108, 144, 158, 162, 216, 237, 243, 281, 316, 324, 432, 474, 486, 562, 632, 648, 711, 729, 843, 948, 972, 1124, 1264, 1296, 1422, 1458, 1686, 1896, 1944, 2133, 2248, 2529, 2844, 2916, 3372, 3792, 3888, 4266, 4496, 5058, 5688, 5832, 6399, 6744, 7587, 8532, 10116, 11376, 11664, 12798, 13488, 15174, 17064, 19197, 20232, 22199, 22761, 25596, 30348, 34128, 38394, 40464, 44398, 45522, 51192, 57591, 60696, 66597, 68283, 76788, 88796, 91044, 102384, 115182, 121392, 133194, 136566, 153576, 177592, 182088, 199791, 204849, 230364, 266388, 273132, 307152, 355184, 364176, 399582, 409698, 460728, 532776, 546264, 599373, 799164, 819396, 921456, 1065552, 1092528, 1198746, 1598328, 1638792, 1798119, 2397492, 3196656, 3277584, 3596238, 4794984, 5394357, 7192476, 9589968, 10788714, 14384952, 16183071, 21577428, 28769904, 32366142, 43154856, 64732284, 86309712, 129464568, 258929136]

約数ペア:

[(1, 258929136), (2, 129464568), (3, 86309712), (4, 64732284), (6, 43154856), (8, 32366142), (9, 28769904), (12, 21577428), (16, 16183071), (18, 14384952), (24, 10788714), (27, 9589968), (36, 7192476), (48, 5394357), (54, 4794984), (72, 3596238), (79, 3277584), (81, 3196656), (108, 2397492), (144, 1798119), (158, 1638792), (162, 1598328), (216, 1198746), (237, 1092528), (243, 1065552), (281, 921456), (316, 819396), (324, 799164), (432, 599373), (474, 546264), (486, 532776), (562, 460728), (632, 409698), (648, 399582), (711, 364176), (729, 355184), (843, 307152), (948, 273132), (972, 266388), (1124, 230364), (1264, 204849), (1296, 199791), (1422, 182088), (1458, 177592), (1686, 153576), (1896, 136566), (1944, 133194), (2133, 121392), (2248, 115182), (2529, 102384), (2844, 91044), (2916, 88796), (3372, 76788), (3792, 68283), (3888, 66597), (4266, 60696), (4496, 57591), (5058, 51192), (5688, 45522), (5832, 44398), (6399, 40464), (6744, 38394), (7587, 34128), (8532, 30348), (10116, 25596), (11376, 22761), (11664, 22199), (12798, 20232), (13488, 19197), (15174, 17064)]