231835136

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 80

約数和(自身を含む): 507915408

約数和(自身を除く): 276080272

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 256, 416, 488, 512, 571, 793, 832, 976, 1142, 1586, 1664, 1952, 2284, 3172, 3328, 3904, 4568, 6344, 6656, 7423, 7808, 9136, 12688, 14846, 15616, 18272, 25376, 29692, 31232, 34831, 36544, 50752, 59384, 69662, 73088, 101504, 118768, 139324, 146176, 203008, 237536, 278648, 292352, 406016, 452803, 475072, 557296, 905606, 950144, 1114592, 1811212, 1900288, 2229184, 3622424, 3800576, 4458368, 7244848, 8916736, 14489696, 17833472, 28979392, 57958784, 115917568, 231835136]

約数ペア:

[(1, 231835136), (2, 115917568), (4, 57958784), (8, 28979392), (13, 17833472), (16, 14489696), (26, 8916736), (32, 7244848), (52, 4458368), (61, 3800576), (64, 3622424), (104, 2229184), (122, 1900288), (128, 1811212), (208, 1114592), (244, 950144), (256, 905606), (416, 557296), (488, 475072), (512, 452803), (571, 406016), (793, 292352), (832, 278648), (976, 237536), (1142, 203008), (1586, 146176), (1664, 139324), (1952, 118768), (2284, 101504), (3172, 73088), (3328, 69662), (3904, 59384), (4568, 50752), (6344, 36544), (6656, 34831), (7423, 31232), (7808, 29692), (9136, 25376), (12688, 18272), (14846, 15616)]