61581208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 134053920

約数和(自身を除く): 72472712

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 104, 122, 136, 221, 244, 442, 488, 571, 793, 884, 1037, 1142, 1586, 1768, 2074, 2284, 3172, 4148, 4568, 6344, 7423, 8296, 9707, 13481, 14846, 19414, 26962, 29692, 34831, 38828, 53924, 59384, 69662, 77656, 107848, 126191, 139324, 252382, 278648, 452803, 504764, 592127, 905606, 1009528, 1184254, 1811212, 2368508, 3622424, 4737016, 7697651, 15395302, 30790604, 61581208]

約数ペア:

[(1, 61581208), (2, 30790604), (4, 15395302), (8, 7697651), (13, 4737016), (17, 3622424), (26, 2368508), (34, 1811212), (52, 1184254), (61, 1009528), (68, 905606), (104, 592127), (122, 504764), (136, 452803), (221, 278648), (244, 252382), (442, 139324), (488, 126191), (571, 107848), (793, 77656), (884, 69662), (1037, 59384), (1142, 53924), (1586, 38828), (1768, 34831), (2074, 29692), (2284, 26962), (3172, 19414), (4148, 14846), (4568, 13481), (6344, 9707), (7423, 8296)]