256477572

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32237}}^1$

素因数の和:32277

約数の個数: 72

約数和(自身を含む): 739281816

約数和(自身を除く): 482804244

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 32237, 64474, 96711, 128948, 193422, 290133, 386844, 419081, 548029, 580266, 838162, 1096058, 1160532, 1257243, 1644087, 1676324, 2192116, 2514486, 3288174, 3771729, 4932261, 5028972, 6576348, 7124377, 7543458, 9864522, 14248754, 15086916, 19729044, 21373131, 28497508, 42746262, 64119393, 85492524, 128238786, 256477572]

約数ペア:

[(1, 256477572), (2, 128238786), (3, 85492524), (4, 64119393), (6, 42746262), (9, 28497508), (12, 21373131), (13, 19729044), (17, 15086916), (18, 14248754), (26, 9864522), (34, 7543458), (36, 7124377), (39, 6576348), (51, 5028972), (52, 4932261), (68, 3771729), (78, 3288174), (102, 2514486), (117, 2192116), (153, 1676324), (156, 1644087), (204, 1257243), (221, 1160532), (234, 1096058), (306, 838162), (442, 580266), (468, 548029), (612, 419081), (663, 386844), (884, 290133), (1326, 193422), (1989, 128948), (2652, 96711), (3978, 64474), (7956, 32237)]