71345372

素因数分解:

$2^2\times 7^3\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 147000000

約数和(自身を除く): 75654628

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 343, 349, 596, 686, 698, 1043, 1372, 1396, 2086, 2443, 4172, 4886, 7301, 9772, 14602, 17101, 29204, 34202, 51107, 52001, 68404, 102214, 104002, 119707, 204428, 208004, 239414, 364007, 478828, 728014, 1456028, 2548049, 5096098, 10192196, 17836343, 35672686, 71345372]

約数ペア:

[(1, 71345372), (2, 35672686), (4, 17836343), (7, 10192196), (14, 5096098), (28, 2548049), (49, 1456028), (98, 728014), (149, 478828), (196, 364007), (298, 239414), (343, 208004), (349, 204428), (596, 119707), (686, 104002), (698, 102214), (1043, 68404), (1372, 52001), (1396, 51107), (2086, 34202), (2443, 29204), (4172, 17101), (4886, 14602), (7301, 9772)]