249529284

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 645444800

約数和(自身を除く): 395915516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 199, 244, 366, 398, 549, 571, 597, 732, 796, 1098, 1142, 1194, 1713, 1791, 2196, 2284, 2388, 3426, 3582, 5139, 6852, 7164, 10278, 12139, 20556, 24278, 34831, 36417, 48556, 69662, 72834, 104493, 109251, 113629, 139324, 145668, 208986, 218502, 227258, 313479, 340887, 417972, 437004, 454516, 626958, 681774, 1022661, 1253916, 1363548, 2045322, 4090644, 6931369, 13862738, 20794107, 27725476, 41588214, 62382321, 83176428, 124764642, 249529284]

約数ペア:

[(1, 249529284), (2, 124764642), (3, 83176428), (4, 62382321), (6, 41588214), (9, 27725476), (12, 20794107), (18, 13862738), (36, 6931369), (61, 4090644), (122, 2045322), (183, 1363548), (199, 1253916), (244, 1022661), (366, 681774), (398, 626958), (549, 454516), (571, 437004), (597, 417972), (732, 340887), (796, 313479), (1098, 227258), (1142, 218502), (1194, 208986), (1713, 145668), (1791, 139324), (2196, 113629), (2284, 109251), (2388, 104493), (3426, 72834), (3582, 69662), (5139, 48556), (6852, 36417), (7164, 34831), (10278, 24278), (12139, 20556)]