128857638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 342687744

約数和(自身を除く): 213830106

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 31, 39, 42, 46, 62, 69, 78, 91, 93, 138, 161, 182, 186, 217, 273, 299, 322, 331, 403, 434, 483, 546, 598, 651, 662, 713, 806, 897, 966, 993, 1209, 1302, 1426, 1794, 1986, 2093, 2139, 2317, 2418, 2821, 4186, 4278, 4303, 4634, 4991, 5642, 6279, 6951, 7613, 8463, 8606, 9269, 9982, 10261, 12558, 12909, 13902, 14973, 15226, 16926, 18538, 20522, 22839, 25818, 27807, 29946, 30121, 30783, 45678, 53291, 55614, 60242, 61566, 64883, 71827, 90363, 98969, 106582, 129766, 133393, 143654, 159873, 180726, 194649, 197938, 215481, 236003, 266786, 296907, 319746, 389298, 400179, 430962, 472006, 593814, 692783, 708009, 800358, 933751, 1385566, 1416018, 1652021, 1867502, 2078349, 2801253, 3068039, 3304042, 4156698, 4956063, 5602506, 6136078, 9204117, 9912126, 18408234, 21476273, 42952546, 64428819, 128857638]

約数ペア:

[(1, 128857638), (2, 64428819), (3, 42952546), (6, 21476273), (7, 18408234), (13, 9912126), (14, 9204117), (21, 6136078), (23, 5602506), (26, 4956063), (31, 4156698), (39, 3304042), (42, 3068039), (46, 2801253), (62, 2078349), (69, 1867502), (78, 1652021), (91, 1416018), (93, 1385566), (138, 933751), (161, 800358), (182, 708009), (186, 692783), (217, 593814), (273, 472006), (299, 430962), (322, 400179), (331, 389298), (403, 319746), (434, 296907), (483, 266786), (546, 236003), (598, 215481), (651, 197938), (662, 194649), (713, 180726), (806, 159873), (897, 143654), (966, 133393), (993, 129766), (1209, 106582), (1302, 98969), (1426, 90363), (1794, 71827), (1986, 64883), (2093, 61566), (2139, 60242), (2317, 55614), (2418, 53291), (2821, 45678), (4186, 30783), (4278, 30121), (4303, 29946), (4634, 27807), (4991, 25818), (5642, 22839), (6279, 20522), (6951, 18538), (7613, 16926), (8463, 15226), (8606, 14973), (9269, 13902), (9982, 12909), (10261, 12558)]