78412698

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 218211840

約数和(自身を除く): 139799142

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 197, 234, 243, 273, 351, 378, 394, 486, 546, 567, 591, 702, 729, 819, 1053, 1134, 1182, 1379, 1458, 1638, 1701, 1773, 2106, 2187, 2457, 2561, 2758, 3159, 3402, 3546, 4137, 4374, 4914, 5103, 5122, 5319, 6318, 7371, 7683, 8274, 9477, 10206, 10638, 12411, 14742, 15309, 15366, 15957, 17927, 18954, 22113, 23049, 24822, 28431, 30618, 31914, 35854, 37233, 44226, 46098, 47871, 53781, 56862, 66339, 69147, 74466, 95742, 107562, 111699, 132678, 138294, 143613, 161343, 199017, 207441, 223398, 287226, 322686, 335097, 398034, 414882, 430839, 484029, 622323, 670194, 861678, 968058, 1005291, 1244646, 1452087, 1866969, 2010582, 2904174, 3015873, 3733938, 4356261, 5600907, 6031746, 8712522, 11201814, 13068783, 26137566, 39206349, 78412698]

約数ペア:

[(1, 78412698), (2, 39206349), (3, 26137566), (6, 13068783), (7, 11201814), (9, 8712522), (13, 6031746), (14, 5600907), (18, 4356261), (21, 3733938), (26, 3015873), (27, 2904174), (39, 2010582), (42, 1866969), (54, 1452087), (63, 1244646), (78, 1005291), (81, 968058), (91, 861678), (117, 670194), (126, 622323), (162, 484029), (182, 430839), (189, 414882), (197, 398034), (234, 335097), (243, 322686), (273, 287226), (351, 223398), (378, 207441), (394, 199017), (486, 161343), (546, 143613), (567, 138294), (591, 132678), (702, 111699), (729, 107562), (819, 95742), (1053, 74466), (1134, 69147), (1182, 66339), (1379, 56862), (1458, 53781), (1638, 47871), (1701, 46098), (1773, 44226), (2106, 37233), (2187, 35854), (2457, 31914), (2561, 30618), (2758, 28431), (3159, 24822), (3402, 23049), (3546, 22113), (4137, 18954), (4374, 17927), (4914, 15957), (5103, 15366), (5122, 15309), (5319, 14742), (6318, 12411), (7371, 10638), (7683, 10206), (8274, 9477)]