31057572

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 96526080

約数和(自身を除く): 65468508

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 49, 51, 52, 68, 78, 84, 91, 98, 102, 119, 147, 156, 182, 196, 204, 221, 238, 239, 273, 294, 357, 364, 442, 476, 478, 546, 588, 637, 663, 714, 717, 833, 884, 956, 1092, 1274, 1326, 1428, 1434, 1547, 1666, 1673, 1911, 2499, 2548, 2652, 2868, 3094, 3107, 3332, 3346, 3822, 4063, 4641, 4998, 5019, 6188, 6214, 6692, 7644, 8126, 9282, 9321, 9996, 10038, 10829, 11711, 12189, 12428, 16252, 18564, 18642, 20076, 21658, 21749, 23422, 24378, 28441, 32487, 35133, 37284, 43316, 43498, 46844, 48756, 52819, 56882, 64974, 65247, 70266, 85323, 86996, 105638, 113764, 129948, 130494, 140532, 152243, 158457, 170646, 199087, 211276, 260988, 304486, 316914, 341292, 369733, 398174, 456729, 597261, 608972, 633828, 739466, 796348, 913458, 1109199, 1194522, 1478932, 1826916, 2218398, 2389044, 2588131, 4436796, 5176262, 7764393, 10352524, 15528786, 31057572]

約数ペア:

[(1, 31057572), (2, 15528786), (3, 10352524), (4, 7764393), (6, 5176262), (7, 4436796), (12, 2588131), (13, 2389044), (14, 2218398), (17, 1826916), (21, 1478932), (26, 1194522), (28, 1109199), (34, 913458), (39, 796348), (42, 739466), (49, 633828), (51, 608972), (52, 597261), (68, 456729), (78, 398174), (84, 369733), (91, 341292), (98, 316914), (102, 304486), (119, 260988), (147, 211276), (156, 199087), (182, 170646), (196, 158457), (204, 152243), (221, 140532), (238, 130494), (239, 129948), (273, 113764), (294, 105638), (357, 86996), (364, 85323), (442, 70266), (476, 65247), (478, 64974), (546, 56882), (588, 52819), (637, 48756), (663, 46844), (714, 43498), (717, 43316), (833, 37284), (884, 35133), (956, 32487), (1092, 28441), (1274, 24378), (1326, 23422), (1428, 21749), (1434, 21658), (1547, 20076), (1666, 18642), (1673, 18564), (1911, 16252), (2499, 12428), (2548, 12189), (2652, 11711), (2868, 10829), (3094, 10038), (3107, 9996), (3332, 9321), (3346, 9282), (3822, 8126), (4063, 7644), (4641, 6692), (4998, 6214), (5019, 6188)]