161897568

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:425

約数の個数: 144

約数和(自身を含む): 500097024

約数和(自身を除く): 338199456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 127, 147, 168, 196, 224, 254, 271, 294, 336, 381, 392, 508, 542, 588, 672, 762, 784, 813, 889, 1016, 1084, 1176, 1524, 1568, 1626, 1778, 1897, 2032, 2168, 2352, 2667, 3048, 3252, 3556, 3794, 4064, 4336, 4704, 5334, 5691, 6096, 6223, 6504, 7112, 7588, 8672, 10668, 11382, 12192, 12446, 13008, 13279, 14224, 15176, 18669, 21336, 22764, 24892, 26016, 26558, 28448, 30352, 34417, 37338, 39837, 42672, 45528, 49784, 53116, 60704, 68834, 74676, 79674, 85344, 91056, 99568, 103251, 106232, 137668, 149352, 159348, 182112, 199136, 206502, 212464, 240919, 275336, 298704, 318696, 413004, 424928, 481838, 550672, 597408, 637392, 722757, 826008, 963676, 1101344, 1274784, 1445514, 1652016, 1686433, 1927352, 2891028, 3304032, 3372866, 3854704, 5059299, 5782056, 6745732, 7709408, 10118598, 11564112, 13491464, 20237196, 23128224, 26982928, 40474392, 53965856, 80948784, 161897568]

約数ペア:

[(1, 161897568), (2, 80948784), (3, 53965856), (4, 40474392), (6, 26982928), (7, 23128224), (8, 20237196), (12, 13491464), (14, 11564112), (16, 10118598), (21, 7709408), (24, 6745732), (28, 5782056), (32, 5059299), (42, 3854704), (48, 3372866), (49, 3304032), (56, 2891028), (84, 1927352), (96, 1686433), (98, 1652016), (112, 1445514), (127, 1274784), (147, 1101344), (168, 963676), (196, 826008), (224, 722757), (254, 637392), (271, 597408), (294, 550672), (336, 481838), (381, 424928), (392, 413004), (508, 318696), (542, 298704), (588, 275336), (672, 240919), (762, 212464), (784, 206502), (813, 199136), (889, 182112), (1016, 159348), (1084, 149352), (1176, 137668), (1524, 106232), (1568, 103251), (1626, 99568), (1778, 91056), (1897, 85344), (2032, 79674), (2168, 74676), (2352, 68834), (2667, 60704), (3048, 53116), (3252, 49784), (3556, 45528), (3794, 42672), (4064, 39837), (4336, 37338), (4704, 34417), (5334, 30352), (5691, 28448), (6096, 26558), (6223, 26016), (6504, 24892), (7112, 22764), (7588, 21336), (8672, 18669), (10668, 15176), (11382, 14224), (12192, 13279), (12446, 13008)]