646844884

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3749

約数の個数: 72

約数和(自身を含む): 1406522880

約数和(自身を除く): 759677996

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 49, 58, 62, 98, 116, 124, 196, 203, 217, 406, 434, 812, 868, 899, 1421, 1519, 1798, 2842, 3038, 3596, 3671, 5684, 6076, 6293, 7342, 12586, 14684, 25172, 25697, 44051, 51394, 88102, 102788, 106459, 113801, 176204, 179879, 212918, 227602, 359758, 425836, 455204, 719516, 745213, 796607, 1490426, 1593214, 2980852, 3186428, 3300229, 5216491, 5576249, 6600458, 10432982, 11152498, 13200916, 20865964, 22304996, 23101603, 46203206, 92406412, 161711221, 323422442, 646844884]

約数ペア:

[(1, 646844884), (2, 323422442), (4, 161711221), (7, 92406412), (14, 46203206), (28, 23101603), (29, 22304996), (31, 20865964), (49, 13200916), (58, 11152498), (62, 10432982), (98, 6600458), (116, 5576249), (124, 5216491), (196, 3300229), (203, 3186428), (217, 2980852), (406, 1593214), (434, 1490426), (812, 796607), (868, 745213), (899, 719516), (1421, 455204), (1519, 425836), (1798, 359758), (2842, 227602), (3038, 212918), (3596, 179879), (3671, 176204), (5684, 113801), (6076, 106459), (6293, 102788), (7342, 88102), (12586, 51394), (14684, 44051), (25172, 25697)]