51490348

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 120403584

約数和(自身を除く): 68913236

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 53, 68, 91, 106, 119, 157, 182, 212, 221, 238, 314, 364, 371, 442, 476, 628, 689, 742, 884, 901, 1099, 1378, 1484, 1547, 1802, 2041, 2198, 2669, 2756, 3094, 3604, 4082, 4396, 4823, 5338, 6188, 6307, 8164, 8321, 9646, 10676, 11713, 12614, 14287, 16642, 18683, 19292, 23426, 25228, 28574, 33284, 34697, 37366, 46852, 57148, 58247, 69394, 74732, 81991, 108173, 116494, 138788, 141457, 163982, 216346, 232988, 242879, 282914, 327964, 432692, 485758, 565828, 757211, 971516, 990199, 1514422, 1838941, 1980398, 3028844, 3677882, 3960796, 7355764, 12872587, 25745174, 51490348]

約数ペア:

[(1, 51490348), (2, 25745174), (4, 12872587), (7, 7355764), (13, 3960796), (14, 3677882), (17, 3028844), (26, 1980398), (28, 1838941), (34, 1514422), (52, 990199), (53, 971516), (68, 757211), (91, 565828), (106, 485758), (119, 432692), (157, 327964), (182, 282914), (212, 242879), (221, 232988), (238, 216346), (314, 163982), (364, 141457), (371, 138788), (442, 116494), (476, 108173), (628, 81991), (689, 74732), (742, 69394), (884, 58247), (901, 57148), (1099, 46852), (1378, 37366), (1484, 34697), (1547, 33284), (1802, 28574), (2041, 25228), (2198, 23426), (2669, 19292), (2756, 18683), (3094, 16642), (3604, 14287), (4082, 12614), (4396, 11713), (4823, 10676), (5338, 9646), (6188, 8321), (6307, 8164)]