72978178

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 144668160

約数和(自身を除く): 71689982

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 103, 119, 182, 206, 221, 229, 238, 442, 458, 721, 1339, 1442, 1547, 1603, 1751, 2678, 2977, 3094, 3206, 3502, 3893, 5954, 7786, 9373, 12257, 18746, 20839, 22763, 23587, 24514, 27251, 41678, 45526, 47174, 50609, 54502, 101218, 159341, 165109, 306631, 318682, 330218, 354263, 400979, 613262, 708526, 801958, 2146417, 2806853, 4292834, 5212727, 5613706, 10425454, 36489089, 72978178]

約数ペア:

[(1, 72978178), (2, 36489089), (7, 10425454), (13, 5613706), (14, 5212727), (17, 4292834), (26, 2806853), (34, 2146417), (91, 801958), (103, 708526), (119, 613262), (182, 400979), (206, 354263), (221, 330218), (229, 318682), (238, 306631), (442, 165109), (458, 159341), (721, 101218), (1339, 54502), (1442, 50609), (1547, 47174), (1603, 45526), (1751, 41678), (2678, 27251), (2977, 24514), (3094, 23587), (3206, 22763), (3502, 20839), (3893, 18746), (5954, 12257), (7786, 9373)]