87991974

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 241920000

約数和(自身を除く): 153928026

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 29, 42, 46, 54, 58, 63, 69, 87, 126, 138, 161, 174, 189, 203, 207, 261, 322, 349, 378, 406, 414, 483, 522, 609, 621, 667, 698, 783, 966, 1047, 1218, 1242, 1334, 1449, 1566, 1827, 2001, 2094, 2443, 2898, 3141, 3654, 4002, 4347, 4669, 4886, 5481, 6003, 6282, 7329, 8027, 8694, 9338, 9423, 10121, 10962, 12006, 14007, 14658, 16054, 18009, 18846, 20242, 21987, 24081, 28014, 30363, 36018, 42021, 43974, 48162, 56189, 60726, 65961, 70847, 72243, 84042, 91089, 112378, 126063, 131922, 141694, 144486, 168567, 182178, 212541, 216729, 232783, 252126, 273267, 337134, 425082, 433458, 465566, 505701, 546534, 637623, 698349, 1011402, 1275246, 1396698, 1517103, 1629481, 1912869, 2095047, 3034206, 3258962, 3825738, 4190094, 4888443, 6285141, 9776886, 12570282, 14665329, 29330658, 43995987, 87991974]

約数ペア:

[(1, 87991974), (2, 43995987), (3, 29330658), (6, 14665329), (7, 12570282), (9, 9776886), (14, 6285141), (18, 4888443), (21, 4190094), (23, 3825738), (27, 3258962), (29, 3034206), (42, 2095047), (46, 1912869), (54, 1629481), (58, 1517103), (63, 1396698), (69, 1275246), (87, 1011402), (126, 698349), (138, 637623), (161, 546534), (174, 505701), (189, 465566), (203, 433458), (207, 425082), (261, 337134), (322, 273267), (349, 252126), (378, 232783), (406, 216729), (414, 212541), (483, 182178), (522, 168567), (609, 144486), (621, 141694), (667, 131922), (698, 126063), (783, 112378), (966, 91089), (1047, 84042), (1218, 72243), (1242, 70847), (1334, 65961), (1449, 60726), (1566, 56189), (1827, 48162), (2001, 43974), (2094, 42021), (2443, 36018), (2898, 30363), (3141, 28014), (3654, 24081), (4002, 21987), (4347, 20242), (4669, 18846), (4886, 18009), (5481, 16054), (6003, 14658), (6282, 14007), (7329, 12006), (8027, 10962), (8694, 10121), (9338, 9423)]