491013124

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1669}}^1$

素因数の和:1785

約数の個数: 72

約数和(自身を含む): 1066128000

約数和(自身を除く): 575114876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 79, 98, 133, 158, 196, 266, 316, 532, 553, 931, 1106, 1501, 1669, 1862, 2212, 3002, 3338, 3724, 3871, 6004, 6676, 7742, 10507, 11683, 15484, 21014, 23366, 31711, 42028, 46732, 63422, 73549, 81781, 126844, 131851, 147098, 163562, 221977, 263702, 294196, 327124, 443954, 527404, 887908, 922957, 1553839, 1845914, 2505169, 3107678, 3691828, 5010338, 6215356, 6460699, 10020676, 12921398, 17536183, 25842796, 35072366, 70144732, 122753281, 245506562, 491013124]

約数ペア:

[(1, 491013124), (2, 245506562), (4, 122753281), (7, 70144732), (14, 35072366), (19, 25842796), (28, 17536183), (38, 12921398), (49, 10020676), (76, 6460699), (79, 6215356), (98, 5010338), (133, 3691828), (158, 3107678), (196, 2505169), (266, 1845914), (316, 1553839), (532, 922957), (553, 887908), (931, 527404), (1106, 443954), (1501, 327124), (1669, 294196), (1862, 263702), (2212, 221977), (3002, 163562), (3338, 147098), (3724, 131851), (3871, 126844), (6004, 81781), (6676, 73549), (7742, 63422), (10507, 46732), (11683, 42028), (15484, 31711), (21014, 23366)]