72445568

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 166314060

約数和(自身を除く): 93868492

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 169, 197, 208, 221, 272, 338, 394, 416, 442, 544, 676, 788, 832, 884, 1088, 1352, 1576, 1664, 1768, 2176, 2561, 2704, 2873, 3152, 3349, 3536, 5122, 5408, 5746, 6304, 6698, 7072, 10244, 10816, 11492, 12608, 13396, 14144, 20488, 21632, 22984, 25216, 26792, 28288, 33293, 40976, 43537, 45968, 53584, 66586, 81952, 87074, 91936, 107168, 133172, 163904, 174148, 183872, 214336, 266344, 327808, 348296, 367744, 428672, 532688, 565981, 696592, 1065376, 1131962, 1393184, 2130752, 2263924, 2786368, 4261504, 4527848, 5572736, 9055696, 18111392, 36222784, 72445568]

約数ペア:

[(1, 72445568), (2, 36222784), (4, 18111392), (8, 9055696), (13, 5572736), (16, 4527848), (17, 4261504), (26, 2786368), (32, 2263924), (34, 2130752), (52, 1393184), (64, 1131962), (68, 1065376), (104, 696592), (128, 565981), (136, 532688), (169, 428672), (197, 367744), (208, 348296), (221, 327808), (272, 266344), (338, 214336), (394, 183872), (416, 174148), (442, 163904), (544, 133172), (676, 107168), (788, 91936), (832, 87074), (884, 81952), (1088, 66586), (1352, 53584), (1576, 45968), (1664, 43537), (1768, 40976), (2176, 33293), (2561, 28288), (2704, 26792), (2873, 25216), (3152, 22984), (3349, 21632), (3536, 20488), (5122, 14144), (5408, 13396), (5746, 12608), (6304, 11492), (6698, 10816), (7072, 10244)]