28989828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 90889344

約数和(自身を除く): 61899516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 67, 68, 84, 101, 102, 119, 126, 134, 153, 201, 202, 204, 238, 252, 268, 303, 306, 357, 402, 404, 469, 476, 603, 606, 612, 707, 714, 804, 909, 938, 1071, 1139, 1206, 1212, 1407, 1414, 1428, 1717, 1818, 1876, 2121, 2142, 2278, 2412, 2814, 2828, 3417, 3434, 3636, 4221, 4242, 4284, 4556, 5151, 5628, 6363, 6767, 6834, 6868, 7973, 8442, 8484, 10251, 10302, 12019, 12726, 13534, 13668, 15453, 15946, 16884, 20301, 20502, 20604, 23919, 24038, 25452, 27068, 30906, 31892, 36057, 40602, 41004, 47369, 47838, 48076, 60903, 61812, 71757, 72114, 81204, 94738, 95676, 108171, 115039, 121806, 142107, 143514, 144228, 189476, 216342, 230078, 243612, 284214, 287028, 345117, 426321, 432684, 460156, 568428, 690234, 805273, 852642, 1035351, 1380468, 1610546, 1705284, 2070702, 2415819, 3221092, 4141404, 4831638, 7247457, 9663276, 14494914, 28989828]

約数ペア:

[(1, 28989828), (2, 14494914), (3, 9663276), (4, 7247457), (6, 4831638), (7, 4141404), (9, 3221092), (12, 2415819), (14, 2070702), (17, 1705284), (18, 1610546), (21, 1380468), (28, 1035351), (34, 852642), (36, 805273), (42, 690234), (51, 568428), (63, 460156), (67, 432684), (68, 426321), (84, 345117), (101, 287028), (102, 284214), (119, 243612), (126, 230078), (134, 216342), (153, 189476), (201, 144228), (202, 143514), (204, 142107), (238, 121806), (252, 115039), (268, 108171), (303, 95676), (306, 94738), (357, 81204), (402, 72114), (404, 71757), (469, 61812), (476, 60903), (603, 48076), (606, 47838), (612, 47369), (707, 41004), (714, 40602), (804, 36057), (909, 31892), (938, 30906), (1071, 27068), (1139, 25452), (1206, 24038), (1212, 23919), (1407, 20604), (1414, 20502), (1428, 20301), (1717, 16884), (1818, 15946), (1876, 15453), (2121, 13668), (2142, 13534), (2278, 12726), (2412, 12019), (2814, 10302), (2828, 10251), (3417, 8484), (3434, 8442), (3636, 7973), (4221, 6868), (4242, 6834), (4284, 6767), (4556, 6363), (5151, 5628)]