221219908

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 495488000

約数和(自身を除く): 274268092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 79, 91, 98, 157, 158, 182, 196, 314, 316, 343, 364, 553, 628, 637, 686, 1027, 1099, 1106, 1274, 1372, 2041, 2054, 2198, 2212, 2548, 3871, 4082, 4108, 4396, 4459, 7189, 7693, 7742, 8164, 8918, 12403, 14287, 14378, 15386, 15484, 17836, 24806, 27097, 28574, 28756, 30772, 49612, 50323, 53851, 54194, 57148, 86821, 100009, 100646, 107702, 108388, 161239, 173642, 200018, 201292, 215404, 322478, 347284, 352261, 400036, 607747, 644956, 700063, 704522, 1128673, 1215494, 1400126, 1409044, 2257346, 2430988, 2800252, 4254229, 4514692, 7900711, 8508458, 15801422, 17016916, 31602844, 55304977, 110609954, 221219908]

約数ペア:

[(1, 221219908), (2, 110609954), (4, 55304977), (7, 31602844), (13, 17016916), (14, 15801422), (26, 8508458), (28, 7900711), (49, 4514692), (52, 4254229), (79, 2800252), (91, 2430988), (98, 2257346), (157, 1409044), (158, 1400126), (182, 1215494), (196, 1128673), (314, 704522), (316, 700063), (343, 644956), (364, 607747), (553, 400036), (628, 352261), (637, 347284), (686, 322478), (1027, 215404), (1099, 201292), (1106, 200018), (1274, 173642), (1372, 161239), (2041, 108388), (2054, 107702), (2198, 100646), (2212, 100009), (2548, 86821), (3871, 57148), (4082, 54194), (4108, 53851), (4396, 50323), (4459, 49612), (7189, 30772), (7693, 28756), (7742, 28574), (8164, 27097), (8918, 24806), (12403, 17836), (14287, 15484), (14378, 15386)]