639163952

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9689}}^1$

素因数の和:9754

約数の個数: 80

約数和(自身を含む): 1537996800

約数和(自身を除く): 898832848

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1736, 2128, 2356, 3472, 4123, 4712, 8246, 9424, 9689, 16492, 19378, 32984, 38756, 65968, 67823, 77512, 135646, 155024, 184091, 271292, 300359, 368182, 542584, 600718, 736364, 1085168, 1201436, 1288637, 1472728, 2102513, 2402872, 2577274, 2945456, 4205026, 4805744, 5154548, 5706821, 8410052, 10309096, 11413642, 16820104, 20618192, 22827284, 33640208, 39947747, 45654568, 79895494, 91309136, 159790988, 319581976, 639163952]

約数ペア:

[(1, 639163952), (2, 319581976), (4, 159790988), (7, 91309136), (8, 79895494), (14, 45654568), (16, 39947747), (19, 33640208), (28, 22827284), (31, 20618192), (38, 16820104), (56, 11413642), (62, 10309096), (76, 8410052), (112, 5706821), (124, 5154548), (133, 4805744), (152, 4205026), (217, 2945456), (248, 2577274), (266, 2402872), (304, 2102513), (434, 1472728), (496, 1288637), (532, 1201436), (589, 1085168), (868, 736364), (1064, 600718), (1178, 542584), (1736, 368182), (2128, 300359), (2356, 271292), (3472, 184091), (4123, 155024), (4712, 135646), (8246, 77512), (9424, 67823), (9689, 65968), (16492, 38756), (19378, 32984)]