1291654016

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 2854906560

約数和(自身を除く): 1563252544

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 61, 64, 68, 74, 122, 128, 136, 148, 244, 263, 272, 296, 488, 526, 544, 592, 629, 976, 1037, 1052, 1088, 1184, 1258, 1952, 2074, 2104, 2176, 2257, 2368, 2516, 3904, 4148, 4208, 4471, 4514, 4736, 5032, 7808, 8296, 8416, 8942, 9028, 9731, 10064, 16043, 16592, 16832, 17884, 18056, 19462, 20128, 32086, 33184, 33664, 35768, 36112, 38369, 38924, 40256, 64172, 66368, 71536, 72224, 76738, 77848, 80512, 128344, 132736, 143072, 144448, 153476, 155696, 165427, 256688, 272731, 286144, 288896, 306952, 311392, 330854, 513376, 545462, 572288, 593591, 613904, 622784, 661708, 1026752, 1090924, 1187182, 1227808, 1245568, 1323416, 2053504, 2181848, 2374364, 2455616, 2646832, 4363696, 4748728, 4911232, 5293664, 8727392, 9497456, 10091047, 10587328, 17454784, 18994912, 20182094, 21174656, 34909568, 37989824, 40364188, 75979648, 80728376, 161456752, 322913504, 645827008, 1291654016]

約数ペア:

[(1, 1291654016), (2, 645827008), (4, 322913504), (8, 161456752), (16, 80728376), (17, 75979648), (32, 40364188), (34, 37989824), (37, 34909568), (61, 21174656), (64, 20182094), (68, 18994912), (74, 17454784), (122, 10587328), (128, 10091047), (136, 9497456), (148, 8727392), (244, 5293664), (263, 4911232), (272, 4748728), (296, 4363696), (488, 2646832), (526, 2455616), (544, 2374364), (592, 2181848), (629, 2053504), (976, 1323416), (1037, 1245568), (1052, 1227808), (1088, 1187182), (1184, 1090924), (1258, 1026752), (1952, 661708), (2074, 622784), (2104, 613904), (2176, 593591), (2257, 572288), (2368, 545462), (2516, 513376), (3904, 330854), (4148, 311392), (4208, 306952), (4471, 288896), (4514, 286144), (4736, 272731), (5032, 256688), (7808, 165427), (8296, 155696), (8416, 153476), (8942, 144448), (9028, 143072), (9731, 132736), (10064, 128344), (16043, 80512), (16592, 77848), (16832, 76738), (17884, 72224), (18056, 71536), (19462, 66368), (20128, 64172), (32086, 40256), (33184, 38924), (33664, 38369), (35768, 36112)]