201979648

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 438339888

約数和(自身を除く): 236360240

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 137, 208, 256, 274, 416, 443, 548, 832, 886, 1096, 1664, 1772, 1781, 2192, 3328, 3544, 3562, 4384, 5759, 7088, 7124, 8768, 11518, 14176, 14248, 17536, 23036, 28352, 28496, 35072, 46072, 56704, 56992, 60691, 92144, 113408, 113984, 121382, 184288, 227968, 242764, 368576, 455936, 485528, 737152, 788983, 971056, 1474304, 1577966, 1942112, 3155932, 3884224, 6311864, 7768448, 12623728, 15536896, 25247456, 50494912, 100989824, 201979648]

約数ペア:

[(1, 201979648), (2, 100989824), (4, 50494912), (8, 25247456), (13, 15536896), (16, 12623728), (26, 7768448), (32, 6311864), (52, 3884224), (64, 3155932), (104, 1942112), (128, 1577966), (137, 1474304), (208, 971056), (256, 788983), (274, 737152), (416, 485528), (443, 455936), (548, 368576), (832, 242764), (886, 227968), (1096, 184288), (1664, 121382), (1772, 113984), (1781, 113408), (2192, 92144), (3328, 60691), (3544, 56992), (3562, 56704), (4384, 46072), (5759, 35072), (7088, 28496), (7124, 28352), (8768, 23036), (11518, 17536), (14176, 14248)]