201245548

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 426323520

約数和(自身を除く): 225077972

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 79, 82, 98, 158, 164, 196, 287, 316, 317, 553, 574, 634, 1106, 1148, 1268, 2009, 2212, 2219, 3239, 3871, 4018, 4438, 6478, 7742, 8036, 8876, 12956, 12997, 15484, 15533, 22673, 25043, 25994, 31066, 45346, 50086, 51988, 62132, 90692, 90979, 100172, 158711, 175301, 181958, 317422, 350602, 363916, 634844, 636853, 701204, 1026763, 1227107, 1273706, 2053526, 2454214, 2547412, 4107052, 4908428, 7187341, 14374682, 28749364, 50311387, 100622774, 201245548]

約数ペア:

[(1, 201245548), (2, 100622774), (4, 50311387), (7, 28749364), (14, 14374682), (28, 7187341), (41, 4908428), (49, 4107052), (79, 2547412), (82, 2454214), (98, 2053526), (158, 1273706), (164, 1227107), (196, 1026763), (287, 701204), (316, 636853), (317, 634844), (553, 363916), (574, 350602), (634, 317422), (1106, 181958), (1148, 175301), (1268, 158711), (2009, 100172), (2212, 90979), (2219, 90692), (3239, 62132), (3871, 51988), (4018, 50086), (4438, 45346), (6478, 31066), (7742, 25994), (8036, 25043), (8876, 22673), (12956, 15533), (12997, 15484)]