72313216

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 149450400

約数和(自身を除く): 77137184

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 73, 109, 128, 142, 146, 218, 284, 292, 436, 568, 584, 872, 1136, 1168, 1744, 2272, 2336, 3488, 4544, 4672, 5183, 6976, 7739, 7957, 9088, 9344, 10366, 13952, 15478, 15914, 20732, 30956, 31828, 41464, 61912, 63656, 82928, 123824, 127312, 165856, 247648, 254624, 331712, 495296, 509248, 564947, 663424, 990592, 1018496, 1129894, 2259788, 4519576, 9039152, 18078304, 36156608, 72313216]

約数ペア:

[(1, 72313216), (2, 36156608), (4, 18078304), (8, 9039152), (16, 4519576), (32, 2259788), (64, 1129894), (71, 1018496), (73, 990592), (109, 663424), (128, 564947), (142, 509248), (146, 495296), (218, 331712), (284, 254624), (292, 247648), (436, 165856), (568, 127312), (584, 123824), (872, 82928), (1136, 63656), (1168, 61912), (1744, 41464), (2272, 31828), (2336, 30956), (3488, 20732), (4544, 15914), (4672, 15478), (5183, 13952), (6976, 10366), (7739, 9344), (7957, 9088)]