39840724

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1133

約数の個数: 72

約数和(自身を含む): 93768192

約数和(自身を除く): 53927468

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 374, 476, 539, 748, 833, 1078, 1087, 1309, 1666, 2156, 2174, 2618, 3332, 4348, 5236, 7609, 9163, 11957, 15218, 18326, 18479, 23914, 30436, 36652, 36958, 47828, 53263, 73916, 83699, 106526, 129353, 167398, 203269, 213052, 258706, 334796, 406538, 517412, 585893, 813076, 905471, 1171786, 1422883, 1810942, 2343572, 2845766, 3621884, 5691532, 9960181, 19920362, 39840724]

約数ペア:

[(1, 39840724), (2, 19920362), (4, 9960181), (7, 5691532), (11, 3621884), (14, 2845766), (17, 2343572), (22, 1810942), (28, 1422883), (34, 1171786), (44, 905471), (49, 813076), (68, 585893), (77, 517412), (98, 406538), (119, 334796), (154, 258706), (187, 213052), (196, 203269), (238, 167398), (308, 129353), (374, 106526), (476, 83699), (539, 73916), (748, 53263), (833, 47828), (1078, 36958), (1087, 36652), (1309, 30436), (1666, 23914), (2156, 18479), (2174, 18326), (2618, 15218), (3332, 11957), (4348, 9163), (5236, 7609)]