399572888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 958003200

約数和(自身を除く): 558430312

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 31, 38, 44, 52, 62, 76, 88, 104, 124, 143, 152, 209, 247, 248, 286, 341, 403, 418, 494, 572, 589, 593, 682, 806, 836, 988, 1144, 1178, 1186, 1364, 1612, 1672, 1976, 2356, 2372, 2717, 2728, 3224, 4433, 4712, 4744, 5434, 6479, 6523, 7657, 7709, 8866, 10868, 11267, 12958, 13046, 15314, 15418, 17732, 18383, 21736, 22534, 25916, 26092, 30628, 30836, 35464, 36766, 45068, 51832, 52184, 61256, 61672, 73532, 84227, 84799, 90136, 123937, 146471, 147064, 168454, 169598, 202213, 238979, 247874, 292942, 336908, 339196, 349277, 404426, 477958, 495748, 585884, 673816, 678392, 698554, 808852, 955916, 991496, 1171768, 1397108, 1611181, 1617704, 1911832, 2628769, 2794216, 3222362, 3842047, 4540601, 5257538, 6444724, 7684094, 9081202, 10515076, 12889448, 15368188, 18162404, 21030152, 30736376, 36324808, 49946611, 99893222, 199786444, 399572888]

約数ペア:

[(1, 399572888), (2, 199786444), (4, 99893222), (8, 49946611), (11, 36324808), (13, 30736376), (19, 21030152), (22, 18162404), (26, 15368188), (31, 12889448), (38, 10515076), (44, 9081202), (52, 7684094), (62, 6444724), (76, 5257538), (88, 4540601), (104, 3842047), (124, 3222362), (143, 2794216), (152, 2628769), (209, 1911832), (247, 1617704), (248, 1611181), (286, 1397108), (341, 1171768), (403, 991496), (418, 955916), (494, 808852), (572, 698554), (589, 678392), (593, 673816), (682, 585884), (806, 495748), (836, 477958), (988, 404426), (1144, 349277), (1178, 339196), (1186, 336908), (1364, 292942), (1612, 247874), (1672, 238979), (1976, 202213), (2356, 169598), (2372, 168454), (2717, 147064), (2728, 146471), (3224, 123937), (4433, 90136), (4712, 84799), (4744, 84227), (5434, 73532), (6479, 61672), (6523, 61256), (7657, 52184), (7709, 51832), (8866, 45068), (10868, 36766), (11267, 35464), (12958, 30836), (13046, 30628), (15314, 26092), (15418, 25916), (17732, 22534), (18383, 21736)]