31183236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 99066240

約数和(自身を除く): 67883004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 29, 34, 36, 42, 51, 58, 63, 68, 84, 87, 102, 116, 119, 126, 153, 174, 203, 204, 238, 251, 252, 261, 306, 348, 357, 406, 476, 493, 502, 522, 609, 612, 714, 753, 812, 986, 1004, 1044, 1071, 1218, 1428, 1479, 1506, 1757, 1827, 1972, 2142, 2259, 2436, 2958, 3012, 3451, 3514, 3654, 4267, 4284, 4437, 4518, 5271, 5916, 6902, 7028, 7279, 7308, 8534, 8874, 9036, 10353, 10542, 12801, 13804, 14558, 15813, 17068, 17748, 20706, 21084, 21837, 25602, 29116, 29869, 31059, 31626, 38403, 41412, 43674, 50953, 51204, 59738, 62118, 63252, 65511, 76806, 87348, 89607, 101906, 119476, 123743, 124236, 131022, 152859, 153612, 179214, 203812, 247486, 262044, 268821, 305718, 358428, 371229, 458577, 494972, 537642, 611436, 742458, 866201, 917154, 1075284, 1113687, 1484916, 1732402, 1834308, 2227374, 2598603, 3464804, 4454748, 5197206, 7795809, 10394412, 15591618, 31183236]

約数ペア:

[(1, 31183236), (2, 15591618), (3, 10394412), (4, 7795809), (6, 5197206), (7, 4454748), (9, 3464804), (12, 2598603), (14, 2227374), (17, 1834308), (18, 1732402), (21, 1484916), (28, 1113687), (29, 1075284), (34, 917154), (36, 866201), (42, 742458), (51, 611436), (58, 537642), (63, 494972), (68, 458577), (84, 371229), (87, 358428), (102, 305718), (116, 268821), (119, 262044), (126, 247486), (153, 203812), (174, 179214), (203, 153612), (204, 152859), (238, 131022), (251, 124236), (252, 123743), (261, 119476), (306, 101906), (348, 89607), (357, 87348), (406, 76806), (476, 65511), (493, 63252), (502, 62118), (522, 59738), (609, 51204), (612, 50953), (714, 43674), (753, 41412), (812, 38403), (986, 31626), (1004, 31059), (1044, 29869), (1071, 29116), (1218, 25602), (1428, 21837), (1479, 21084), (1506, 20706), (1757, 17748), (1827, 17068), (1972, 15813), (2142, 14558), (2259, 13804), (2436, 12801), (2958, 10542), (3012, 10353), (3451, 9036), (3514, 8874), (3654, 8534), (4267, 7308), (4284, 7279), (4437, 7028), (4518, 6902), (5271, 5916)]