217639656

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:640

約数の個数: 128

約数和(自身を含む): 656208000

約数和(自身を除く): 438568344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 179, 216, 234, 312, 351, 358, 433, 468, 537, 702, 716, 866, 936, 1074, 1299, 1404, 1432, 1611, 1732, 2148, 2327, 2598, 2808, 3222, 3464, 3897, 4296, 4654, 4833, 5196, 5629, 6444, 6981, 7794, 9308, 9666, 10392, 11258, 11691, 12888, 13962, 15588, 16887, 18616, 19332, 20943, 22516, 23382, 27924, 31176, 33774, 38664, 41886, 45032, 46764, 50661, 55848, 62829, 67548, 77507, 83772, 93528, 101322, 125658, 135096, 151983, 155014, 167544, 202644, 232521, 251316, 303966, 310028, 405288, 465042, 502632, 607932, 620056, 697563, 930084, 1007591, 1215864, 1395126, 1860168, 2015182, 2092689, 2790252, 3022773, 4030364, 4185378, 5580504, 6045546, 8060728, 8370756, 9068319, 12091092, 16741512, 18136638, 24182184, 27204957, 36273276, 54409914, 72546552, 108819828, 217639656]

約数ペア:

[(1, 217639656), (2, 108819828), (3, 72546552), (4, 54409914), (6, 36273276), (8, 27204957), (9, 24182184), (12, 18136638), (13, 16741512), (18, 12091092), (24, 9068319), (26, 8370756), (27, 8060728), (36, 6045546), (39, 5580504), (52, 4185378), (54, 4030364), (72, 3022773), (78, 2790252), (104, 2092689), (108, 2015182), (117, 1860168), (156, 1395126), (179, 1215864), (216, 1007591), (234, 930084), (312, 697563), (351, 620056), (358, 607932), (433, 502632), (468, 465042), (537, 405288), (702, 310028), (716, 303966), (866, 251316), (936, 232521), (1074, 202644), (1299, 167544), (1404, 155014), (1432, 151983), (1611, 135096), (1732, 125658), (2148, 101322), (2327, 93528), (2598, 83772), (2808, 77507), (3222, 67548), (3464, 62829), (3897, 55848), (4296, 50661), (4654, 46764), (4833, 45032), (5196, 41886), (5629, 38664), (6444, 33774), (6981, 31176), (7794, 27924), (9308, 23382), (9666, 22516), (10392, 20943), (11258, 19332), (11691, 18616), (12888, 16887), (13962, 15588)]