28778464

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 70277760

約数和(自身を除く): 41499296

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 331, 352, 416, 418, 494, 572, 608, 662, 836, 988, 1144, 1324, 1672, 1976, 2288, 2648, 2717, 3344, 3641, 3952, 4303, 4576, 5296, 5434, 6289, 6688, 7282, 7904, 8606, 10592, 10868, 12578, 14564, 17212, 21736, 25156, 29128, 34424, 43472, 47333, 50312, 58256, 68848, 69179, 81757, 86944, 94666, 100624, 116512, 137696, 138358, 163514, 189332, 201248, 276716, 327028, 378664, 553432, 654056, 757328, 899327, 1106864, 1308112, 1514656, 1798654, 2213728, 2616224, 3597308, 7194616, 14389232, 28778464]

約数ペア:

[(1, 28778464), (2, 14389232), (4, 7194616), (8, 3597308), (11, 2616224), (13, 2213728), (16, 1798654), (19, 1514656), (22, 1308112), (26, 1106864), (32, 899327), (38, 757328), (44, 654056), (52, 553432), (76, 378664), (88, 327028), (104, 276716), (143, 201248), (152, 189332), (176, 163514), (208, 138358), (209, 137696), (247, 116512), (286, 100624), (304, 94666), (331, 86944), (352, 81757), (416, 69179), (418, 68848), (494, 58256), (572, 50312), (608, 47333), (662, 43472), (836, 34424), (988, 29128), (1144, 25156), (1324, 21736), (1672, 17212), (1976, 14564), (2288, 12578), (2648, 10868), (2717, 10592), (3344, 8606), (3641, 7904), (3952, 7282), (4303, 6688), (4576, 6289), (5296, 5434)]