3958045390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{21701}}^1$

素因数の和:21805

約数の個数: 64

約数和(自身を含む): 8137729152

約数和(自身を除く): 4179683762

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 61, 65, 115, 122, 130, 230, 299, 305, 598, 610, 793, 1403, 1495, 1586, 2806, 2990, 3965, 7015, 7930, 14030, 18239, 21701, 36478, 43402, 91195, 108505, 182390, 217010, 282113, 499123, 564226, 998246, 1323761, 1410565, 2495615, 2647522, 2821130, 4991230, 6488599, 6618805, 12977198, 13237610, 17208893, 30446503, 32442995, 34417786, 60893006, 64885990, 86044465, 152232515, 172088930, 304465030, 395804539, 791609078, 1979022695, 3958045390]

約数ペア:

[(1, 3958045390), (2, 1979022695), (5, 791609078), (10, 395804539), (13, 304465030), (23, 172088930), (26, 152232515), (46, 86044465), (61, 64885990), (65, 60893006), (115, 34417786), (122, 32442995), (130, 30446503), (230, 17208893), (299, 13237610), (305, 12977198), (598, 6618805), (610, 6488599), (793, 4991230), (1403, 2821130), (1495, 2647522), (1586, 2495615), (2806, 1410565), (2990, 1323761), (3965, 998246), (7015, 564226), (7930, 499123), (14030, 282113), (18239, 217010), (21701, 182390), (36478, 108505), (43402, 91195)]