128964516

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 327817056

約数和(自身を除く): 198852540

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 41, 51, 68, 82, 102, 123, 164, 204, 246, 289, 492, 578, 697, 867, 907, 1156, 1394, 1734, 1814, 2091, 2721, 2788, 3468, 3628, 4182, 5442, 8364, 10884, 11849, 15419, 23698, 30838, 35547, 37187, 46257, 47396, 61676, 71094, 74374, 92514, 111561, 142188, 148748, 185028, 223122, 262123, 446244, 524246, 632179, 786369, 1048492, 1264358, 1572738, 1896537, 2528716, 3145476, 3793074, 7586148, 10747043, 21494086, 32241129, 42988172, 64482258, 128964516]

約数ペア:

[(1, 128964516), (2, 64482258), (3, 42988172), (4, 32241129), (6, 21494086), (12, 10747043), (17, 7586148), (34, 3793074), (41, 3145476), (51, 2528716), (68, 1896537), (82, 1572738), (102, 1264358), (123, 1048492), (164, 786369), (204, 632179), (246, 524246), (289, 446244), (492, 262123), (578, 223122), (697, 185028), (867, 148748), (907, 142188), (1156, 111561), (1394, 92514), (1734, 74374), (1814, 71094), (2091, 61676), (2721, 47396), (2788, 46257), (3468, 37187), (3628, 35547), (4182, 30838), (5442, 23698), (8364, 15419), (10884, 11849)]